Before welding: wear welding glasses after welding workers have a clear vision, both hands are liberated, you can accurately locate the welding point.

When welding: automatic variable light screen in 0.2 milliseconds will become dark to protect the role of the eye, in a variety of lighting conditions, the filter can quickly and reliably filter a variety of welding arc.

After welding: After the welding is completed, the automatic lens will return to the bright state, the welding can immediately check the welding battery, and can prepare for the next welding.